Marty is a surname. Notable people with the surname include:
Adam Marty (1837–1923), Swiss-born Minnesotan soldier
Adolphe Marty (1865–1942), French composer
Aileen Marty, Cuba-American pathologist
Alexandre Marty (1894–1918), French flying ace
Alain Marty (born 1946), French politician
Arancha Marty (born 1973), Spanish rhythmic gymnast
André Edouard Marty (1882–1974), French graphic artist
André Marty (1886–1956), French communist and political commissar of the International Brigades during the Spanish Civil War (1936–1939)
André Marty (rugby league) (1931–2004), French rugby player
Anton Marty (1847–1914), Swiss-born Austrian philosopher
Céline Marty (born 1976), French soccer player
Christian Marty (1945–2000), French aviator and athlete who died in a plane crash
David Marty (born 1982), French rugby player
David Marty (footballer) (born 1972), French soccer player
Dick Marty (1945–2023), Swiss politician
Eric Marty, American football coach
Éric Marty (born 1955), French professor
François Marty (1904–1994), former Cardinal and Archbishop of Paris
Frank Marty (1889–1950), American college football coach
Frédéric Marty (1911–1940), French mathematician
Henri Marty (Count Henri, Marie, Joseph, René Marty) (1887–1945), French educator, first Scoutmaster of the École des Roches in 1911
Jacques Marty (1940–2012), French boxer
Jean Marty (1838–1916), French lawyer and politician
Jean-Claude Marty (1943–2023), French rugby player
Jean-Pierre Marty (1932–2024), French pianist and conductor
Jeanette Marty (born 1975), Swiss ice hockey player
Joe Marty (1913–1984), American professional baseball player
J. Sam Marty (born 1947), South Dakota politician
John Marty (born 1956), member of the Minnesota Senate
Julia Marty (born 1988), Swiss ice hockey player
Louis-Charles Marty (1891–1970), French gymnast
Martin E. Marty (1928–2025), American Lutheran religious scholar
Martin Marty (bishop) (1834–1896), Swiss bishop
Max Marty, Cuban-American businessman
Melissa Marty (born 1984), Puerto Rican beauty pageant contestant
Mickey Marty (1922–2013), American basketball player
Niki Marty (born 1973), Swiss sport shooter
Paul Marty (1882–1938), French military officer
Rhea Fairbairn Marty (1890–1953), Canadian-American tennis player
Sid Marty (born 1944), Canadian writer
Silvia Marty (born 1980), Spanish actor
Stefanie Marty (born 1988), Swiss ice hockey player
Walter Marty (1910–1995), American high jumper
Fictional people
Emilia Marty, a central character in the play The Makropulos Affair by Karel Čapek and the opera based upon it by Leoš Janáček